fzus61 kbuf 170803
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
403 am edt tue mar 17 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 29.1 inch surface low over central michigan this late 
morning will track northeastward west of the lake this 
afternoon, before pushing northeastward across quebec through 
tuesday. this low will sweep a strong cold front across the lake 
late this afternoon, with a 30.4 inch high building across the great 
lakes and ohio valley tuesday. the high will then shift east of the 
lake wednesday and reach the east coast by wednesday evening. a 30.2 
inch high will move into the great lakes region thursday. a 29.8 
inch low will move from james bay to the canadian maritimes friday. 
this may result in a cold front crossing the lake through friday.


loz062-171500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt tue mar 17 2026

...gale warning in effect until 11 am edt this morning...

.today...west gales to 40 knots diminishing to 30 knots. lake
effect snow showers likely this morning, then a chance of snow
showers this afternoon. waves 12 to 17 feet subsiding to 8 to
11 feet. waves occasionally around 22 feet. 
.tonight...west winds 15 to 25 knots diminishing to 10 to
15 knots. snow showers likely early. waves 5 to 9 feet subsiding
to 3 to 6 feet. waves occasionally around 11 feet. 
.wednesday...southwest winds 10 to 15 knots becoming south. waves
1 to 3 feet. 
.wednesday night...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of snow showers overnight. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of rain and snow showers during the day, then a chance of
rain showers thursday night. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots becoming northeast 15 to
20 knots. a chance of rain and snow showers. waves 1 to 2 feet
building to 2 to 4 feet. 
.saturday...northeast winds 15 to 25 knots becoming north. a
chance of rain and snow showers. waves 3 to 5 feet building to
5 to 8 feet. waves occasionally around 10 feet. 

$$

fzus63 kdtx 170800
glflh 
expires:202603171600;;832608

open lake forecast for lake huron
national weather service detroit/pontiac mi
400 am edt tue mar 17 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...northwest winds gusting to gales continues tonight
behind a strong low pressure system. high pressure, 30.40 inches,
tracks through the ohio valley tomorrow, with the northern
extension reaching the central great lakes tomorrow evening,
supporting light winds. moderate southwest winds then return for
wednesday.


lhz362-363-462-171600-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
400 am edt tue mar 17 2026

...gale warning in effect until 11 am edt this morning...
...heavy freezing spray warning in effect through this
afternoon...

.today...northwest winds to 30 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots. a chance of snow showers in the
morning. heavy freezing spray. waves 12 to 16 feet subsiding to
8 to 12 feet in the afternoon. waves occasionally around 20 feet.
.tonight...west winds 10 to 15 knots backing to the southwest
early in the morning. waves 4 to 6 feet subsiding to 2 to 4 feet
early in the morning. waves occasionally around 8 feet. 
.wednesday...south winds 10 to 15 knots increasing to 20 to
25 knots. freezing spray in the afternoon. waves 3 to 5 feet
building to 6 to 9 feet in the late morning and afternoon. waves
occasionally around 12 feet. 
.wednesday night...south winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. waves 2 to 4 feet. 
.friday...southwest winds 10 to 15 knots veering to the northwest
early in the evening...then becoming north 15 to 20 knots by
midnight. a chance of rain and snow. waves 3 to 5 feet building
to 6 to 9 feet by midnight. waves occasionally around 12 feet. 
.saturday...east winds 20 to 25 knots decreasing to 15 to
20 knots until early evening...then becoming southeast 20 to
25 knots by midnight. waves 8 to 12 feet. waves occasionally
around 15 feet. 


$$

fzus63 kdtx 170800
glflh 
expires:202603171600;;832609

open lake forecast for lake huron
national weather service detroit/pontiac mi
400 am edt tue mar 17 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...northwest winds gusting to gales continues tonight
behind a strong low pressure system. high pressure, 30.40 inches,
tracks through the ohio valley tomorrow, with the northern
extension reaching the central great lakes tomorrow evening,
supporting light winds. moderate southwest winds then return for
wednesday.


lhz463-464-171600-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
400 am edt tue mar 17 2026

...gale warning in effect until 11 am edt this morning...
...heavy freezing spray warning in effect through this
afternoon...

.today...northwest winds to 30 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots. heavy freezing spray. waves 10 to
14 feet subsiding to 6 to 9 feet late in the afternoon. waves
occasionally around 18 feet. 
.tonight...west winds 10 to 15 knots. waves 3 to 5 feet subsiding
to 1 to 3 feet early in the morning. 
.wednesday...south winds 10 to 15 knots increasing to 20 to
25 knots. waves 2 to 4 feet building to 4 to 6 feet in the late
morning and afternoon. waves occasionally around 8 feet. 
.wednesday night...south winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. waves 3 to 5 feet. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then backing to the southeast late
in the evening. a chance of rain and snow in the morning...then a
chance of rain late in the morning. waves 1 to 3 feet. 
.friday...southwest winds 10 to 15 knots veering to the west
early in the evening...then veering to the northeast by midnight.
a chance of rain until early evening. waves 2 to 4 feet building
to 4 to 6 feet by midnight. waves occasionally around 8 feet. 
.saturday...northeast winds 15 to 20 knots veering to the south
by midnight. waves 5 to 7 feet. waves occasionally around
10 feet. 


$$